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Finding the Fourth Proportional to 441,410.20, 662,115.30 and 283,816.60

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Solution

The fourth proportional to 441,410.20, 662,115.30 and 283,816.60 is: 425,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,410.20 : 662,115.30 = 283,816.60 : x
  2. Step 2: Convert to fraction form
    441,410.20/662,115.30 = 283,816.60/x
  3. Step 3: Cross multiply
    441,410.20x = 662,115.30 × 283,816.60
  4. Step 4: Simplify right side
    441,410.20x = 187,919,313,253.98
  5. Step 5: Solve for x
    x = 187,919,313,253.98/441,410.20
  6. Step 6: Final answer
    x = 425,724.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.